#!/bin/sh
#
# This file is part of OpenMediaVault.
#
# @license   http://www.gnu.org/licenses/gpl.html GPL Version 3
# @author    Volker Theile <volker.theile@openmediavault.org>
# @copyright Copyright (c) 2009-2021 Volker Theile
#
# OpenMediaVault is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# any later version.
#
# OpenMediaVault is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with OpenMediaVault. If not, see <http://www.gnu.org/licenses/>.

set -e

. /etc/default/openmediavault
. /usr/share/openmediavault/scripts/helper-functions

[ "$(omv_config_get "//system/email/enable")" != "1" ] && exit 0

# Check if there are locked users.
if [ $(pam_tally2 | grep -P "^\S+\s+\d+\s+.+$" | wc -l) -gt 0 ]; then
	(
	echo "The following users are locked/banned or are candidates for too many failed login attempts:\n";
	pam_tally2;
	echo "\nYou can reset their counters and unlock them via the omv-firstaid command."
	) | mail -E -s "Locked users overview" root
fi
